Finding the Fourth Proportional to 256,323.93, 384,492.17 and 78,832.27

Step by Step Solution

1. Step 1: Write the proportion equation
   256,323.93 : 384,492.17 = 78,832.27 : x
2. Step 2: Convert to fraction form
   256,323.93/384,492.17 = 78,832.27/x
3. Step 3: Cross multiply
   256,323.93x = 384,492.17 × 78,832.27
4. Step 4: Simplify right side
   256,323.93x = 30,310,390,558.33
5. Step 5: Solve for x
   x = 30,310,390,558.33/256,323.93
6. Step 6: Final answer
   x = 118,250.33